In the Dec. 19 "Foreigners," Torie Bosch misstated the name of one of the two American journalists held in North Korea in 2009. It was Laura Ling, not her sister Lisa Ling, who was detained along with Euna Lee.

In the Dec. 19 "Technocracy" Matthew Yglesias originally incorrectly referred to pressure from the San Francisco Metro Transit Authority. The correct name of the agency in question is the San Francisco Municipal Transportation Agency.

In a Dec. 15 “Technocracy,” Will Oremus originally miscounted the number of seats considered safe for Republicans in the latest draft of Arizona's congressional redistricting maps. Four of nine total seats are presumed safe for the GOP, not two of seven.

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